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Radiant|Natural|GIA

1.20ct G SI2 Radiant Natural Diamond

ID • G/SI2 • GIA 2527894621

Certificate GIA 2527894621

Diamond specifications and retailer prices

From £1,385 GBP
HK$14,500 HKD
As of November 1, 2026
Save £2,681 GBP (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,066 GBP at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2527894621. Listed at 18 retailers as of October 28, 2026, with prices from £1,385 to £4,066, a £2,681 spread on the same certified stone. Queensmith lists it at £4,066. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.20
Carat
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2527894621
Dimensions7.08 × 5.58 × 3.59 mm
L/W Ratio1.27
Top View
7.08 mm5.58 mm1.20 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2527894621
Side View
Table 71.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £4,066 GBP|Low: £1,376 GBP|High: £4,142 GBP|Avg: £2,202 GBP|+1.3%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6£1,385 GBP
Retailer 4£1,460 GBP
Retailer 9£1,665 GBP
Retailer 3£1,681 GBP
Retailer 8£1,908 GBP
Retailer 11£1,925 GBP
Retailer 2£1,927 GBP
Retailer 10£1,963 GBP
Retailer 7£2,253 GBP
Retailer 5£3,160 GBP
Queensmith£4,066 GBP

30 data points across 11 retailers

18 retailers£1,385 GBP to £4,066 GBP

A
Cheapest Retailer
-
£1,385 GBP
HK$14,500 HKD
A
Retailer 2
-
£1,460 GBP
₹186,315 INR
View
A
Retailer 3
-
£1,665 GBP
$2,231 USD
View
Final sale: no returns
A
Retailer 4
-
£1,681 GBP
SGD 3,044 SGD
View
A
Retailer 5
-
£1,795 GBP
$2,405 USD
View
Retailer 6
-
£1,878 GBP
$2,516 USD
View
Price last confirmed 17 days ago
Retailer 7
-
£1,878 GBP
$2,516 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
£1,908 GBP
$2,557 USD
View
A
Retailer 9
-
£1,925 GBP
SGD 3,486 SGD
View
A
Retailer 10
-
£1,927 GBP
View
A
Retailer 11
-
£1,963 GBP
$2,630 USD
View
Retailer 12
-
£1,964 GBP
$2,632 USD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
£2,056 GBP
A$4,238 AUD
View
Retailer 14
-
£2,167 GBP
$2,903 USD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
£2,253 GBP
€2,875 EUR
View
B+
Retailer 16
-
£3,160 GBP
View
Retailer 17
-
£3,926 GBP
$5,261 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Queensmith
2527894621 · Oct 28
£4,066 GBP
View
17 more retailers have this diamond
Prices start from £1,385 GBPSave up to £2,681 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.20ct Radiant
£1,385 GBP